Lock latch



FIG. 1 is a perspective view of a lock latch that illustrates the novel design;

FIG. 2 is a top view of the lock latch of FIG. 1;

FIG. 3 is a right side elevational view of the lock latch of FIG. 1;

FIG. 4 is a bottom view of the lock latch of FIG. 1;

FIG. 5 is a front view of the lock latch of FIG. 1; and,

FIG. 6 is a back view of the lock latch of FIG. 1. 

The ornamental design for a lock latch, as shown and described. 